Nibe F1255 Installer Manual
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Nibe F1255 Installer Manual

Ground source heat pump
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Installer manual
NIBE™ F1255
Ground source heat pump
IHB GB 1617-3
331296

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Summary of Contents for Nibe F1255

  • Page 1 Installer manual NIBE™ F1255 Ground source heat pump IHB GB 1617-3 331296...
  • Page 2 Quick guide Navigation Ok button (confirm/select) Back button (back/undo/exit) Control knob (move/increase/reduce) A detailed explanation of the button functions can be found on page 38. How to scroll through menus and make different settings is described on page 40. Set the indoor climate The mode for setting the indoor temperature is accessed by pressing the OK button twice, when in the start mode in the main menu.

  • Page 3: Table Of Contents

    7 Control - Introduction Display unit Menu system 8 Control - Menus Menu 1 - INDOOR CLIMATE Menu 2 - HOT WATER Menu 3 - INFO Menu 4 - HEAT PUMP Menu 5 - SERVICE NIBE™ F1255 Table of Contents |...

  • Page 4: Important Information

    This symbol indicates tips on how to facilitate using the product. Marking The CE marking means that NIBE ensures that the product meets all regulations that are placed on it based on relevant EU directives. The CE mark is obligatory for most products sold in the EU, regardless where they are made.
  • Page 5 Shut off valves Circulation pump setting Electricity (page 20) Connections Main voltage Phase voltage Fuses heat pump Fuses property Outside sensor Room sensor Current sensor Safety breaker Earth circuit-breaker Setting of emergency mode thermostat NIBE™ F1255 Chapter 1 | Important information...

  • Page 6: Contact Information

    NIBE Energy Systems France Sarl, Zone industrielle RD 28, Rue du Pou du Ciel, 01600 Reyrieux Tel : 04 74 00 92 92 Fax : 04 74 00 42 00 E-mail: info@nibe.fr www.nibe.fr NIBE Energy Systems Ltd, 3C Broom Business Park, Bridge Way, Chesterfield S41 9QG Tel: 0845 095 1200 Fax: 0845 095 1201 E-mail: info@nibe.co.uk www.nibe.co.uk...

  • Page 7: Delivery And Handling

    The product can be tail heavy. do not need to be removed during service. All service on F1255 can be carried out from the front. Leave space Remove the outer panels in order to protect them when between the heat pump and the wall behind (and any moving in confined spaces inside buildings.

  • Page 8: Supplied Components

    Enclosed in all countries: Front cover Outside sensor Room sensor O-rings Compression ring couplings F1255 6 kW 2 x (ø28 x G25) 1. Remove the screws from the lower edge of the front 2 x (ø22 x G20) cover. F1255 12/16 kW 2.

  • Page 9: Removing Parts Of The Insulation

    1. Remove the cover for the junction box according to the description on page 20. 2. Grip the handle and pull the insulation carefully to- wards you as illustrated. NIBE™ F1255 Chapter 2 | Delivery and handling...

  • Page 10: The Heat Pump Design

    3 The heat pump design General View from behind QM22 QN10 W130 F1255 AA4-XJ4 AA4-XJ3 QM34 QM31 QM32 QM33 View from above Chapter 3 | The heat pump design NIBE™ F1255...
  • Page 11 Sacrificial anode* Choke** Switch W130 Network cable for NIBE Uplink * Only heat pump with enamelled vessel. ** Only for F1255-12 kW 3X400V. Miscellaneous Rating plate Type plate, cooling section Cable gland, incoming electricity Cable gland Cable gland, rear side, sensor Designations in component locations according to standard IEC 81346-1 and 81346-2.

  • Page 12: Distribution Boxes

    AA23 Electrical components Choke** Immersion heater card * Only heat pump with enamelled vessel. Base card ** Only for F1255-12 kW 3X400V. Input circuit board Designations in component locations according to Sacrificial anode card* standard IEC 81346-1 and 81346-2. AA23...

  • Page 13: Cooling Section

    3X400V, 12 kW BT12 GQ10 QA40 BT10 BT17 AA100 BT14 XL20 XL21 BT15 BT11 EB10 3X400V, 16 kW 3X400V, 16 kW BT14 BT12 BT17 BT10 GQ10 QA40 AA100 XL20 BT15 BT11 EB10 XL21 NIBE™ F1255 Chapter 3 | The heat pump design...
  • Page 14 RF2* EMC-filter * Only 12 & 16 kW 3X400 V. Cooling components Evaporator Condenser GQ10 Compressor Drying filter Expansion valve Designations in component locations according to standard IEC 81346-1 and 81346-2. Chapter 3 | The heat pump design NIBE™ F1255...

  • Page 15: Pipe Connections

    F1255 is not equipped with external shut off valves; these pressed in the compressor. The refrigerant, of which the must be installed to facilitate any future servicing.

  • Page 16: Dimensions And Pipe Connections

    (mm) vessel. Position the vessel so that this does not harm other equipment. Details of the antifreeze used must be shown on the ■ level vessel. * Can be angled for side connection. Chapter 4 | Pipe connections NIBE™ F1255...

  • Page 17: Heating Medium Side

    Connecting the climate system with a buffer vessel, for example NIBE UKV. A climate system is a system that regulates indoor com- fort with the help of the control system in F1255 and for example radiators, underfloor heating/cooling, fan convectors etc.

  • Page 18: Ventilation Recovery

    The heat pump should be supplemented with an electric The installation can be supplemented with the exhaust water heater, for example NIBE COMPACT, if a whirlpool air module FLM to provide ventilation recovery. or other significant consumer of hot water is installed.
  • Page 19 To ensure a heating supply during hot water production, The POOL 40 accessory is required for this connection. the heating system can be supplemented with a NIBE UKV vessel, e.g. when there is a water coil in the FTX ventilation.

  • Page 20: Electrical Connections

    If the building is equipped with an earth-fault breaker, ■ F1255 should be equipped with a separate one. If a miniature circuit breaker is used this should have ■ at least motor characteristic “C”. See page 64 for fuse size.
  • Page 21 2. Angle out the cover and remove it. Removing the cover, base board Caution To remove the cover for the base board, the cover for the input circuit board must first be removed. NIBE™ F1255 Chapter 5 | Electrical connections...

  • Page 22: Connections

    Power connection AA1-X1 F1255 must be installed with a disconnection option on the supply cable. Minimum cable area must be sized ac- cording to the fuse rating used. Enclosed cable for incom- ing supply electricity is connected to terminal block X1 on the immersion heater board (AA1).
  • Page 23 AA3-X6 If you wish to connect external operating voltage for the control system to F1255 on the immersion heater circuit Temperature sensor, external flow line board (AA1) the edge connector at AA1:X2 must be moved toAA1:X9 (as illustrated).

  • Page 24: Settings

    The heat pump operates without the sensor, but if one F1255-12 Number of connection steps wishes to read off the accommodation's indoor temper- ature in F1255's display, the sensor must be installed. 1x230V 7 kW Connect the room sensor to X6:3 and X6:4 on the input board (AA3).
  • Page 25 3x400V (maximum electrical output, switched to 9 3x230V, F1255-12 kW for F1255-12 / -16.) Max electric- Max phase Max phase Max phase al addition current current current Max electric- Max phase Max phase Max phase al addition current current current...
  • Page 26 3x230V for F1255-6 board (AA1) according to the table below. The factory setting is 3.5 kW for F1255-6 and 6 kW for F1255-12 / - 3x400V (maximum electrical output, connected upon delivery 7 kW) for F1255-12 / -16) and 1x230V...

  • Page 27: Optional Connections

    Värmepump Heat pump Only 3x230V, the image shows the dip-switch (AA1-SF2) in the factory setting, i.e. 3.5 kW for F1255-6 and 6 kW F1255-12. Emergency mode thermostat The supply temperature in emergency mode is set using 1 2 3 4 a thermostat (FD1-BT30).
  • Page 28 5.4 (SG Ready A and SG Ready B), see An extra temperature sensor (BT74) can be connected page 51. to F1255 in order to determine when it is time to switch between heating and cooling operation. Closed or open switch means one of the following: The temperature sensor is connected to the selected in- ■...
  • Page 29 (effect on the system can be adjusted Contact for activation of “temporary lux" in the menu 4.1.5). An external switch function can be connected to F1255 ■ Overcapacity mode (A: Closed, B: Closed) for activation of the hot water function "temporary lux".
  • Page 30 C NO NC AA3-X7 AA3-X7 The picture shows the relay in the alarm position. When switch (SF1) is in the " " or “ ” position the relay is in the alarm position. Chapter 5 | Electrical connections NIBE™ F1255...

  • Page 31: Connecting Accessories

    AA3. Use cable type LiYY, EKKX or similar. See information at www.nibe.eu for the list of the ac- Because there can be different connections for accessor- cessories that can be used with F1255.

  • Page 32: Commissioning And Adjusting

    Preparations connection (XL3). 3. When the water that comes out of the hot water 1. Ensure that F1255 has not been damaged during tap is no longer mixed with air, the water heater is transport. full and the tap can be closed.

  • Page 33: Start Guide

    Help menu In many menus there is a symbol that indicates that If the building is cooled when F1255 starts, the com- extra help is available. pressor may not be able to meet the entire demand without having to use additional heating.

  • Page 34: Post Adjustment And Venting

    Eleffekt Available pressure, kPa Electrical input, W The brine pump must run at the correct speed for the correct flow in the brine system. F1255 has a brine pump that can be automatically controlled in standard mode. P80% P100% Certain functions and accessories may require that they...
  • Page 35 Electrical output, W Eleffekt Level vessel Tillgängligt tryck, kPa / Eleffekt, W F1255 6 kW Check the fluid level in the level vessel Pumpkapacitet, värmebärarsida för F1155-1255 -6 kW, manuell drift. (CM2). If the fluid level has dropped, top up P100% Tillgängligt tryck...

  • Page 36: Setting The Cooling/Heating Curve

    If you only have one climate system, the number of the curve is already marked when the menu window opens. 1. Select the climate system (if more than one) for which the curve is to be changed. Chapter 6 | Commissioning and adjusting NIBE™ F1255...
  • Page 37 If it is warm outdoors and the room temperature is too low, increase the curve offset by one incre- ment. If it is warm outdoors and the room temperature is too high, lower the curve offset by one incre- ment. NIBE™ F1255 Chapter 6 | Commissioning and adjusting...

  • Page 38: Control - Introduction

    The control knob can be turned to the right or left. You can: ■ scroll in menus and between options. ■ increase and decrease the values. ■ change page in multiple page instructions (for example help text and service info). Chapter 7 | Control - Introduction NIBE™ F1255...

  • Page 39: Menu System

    INDOOR CLIMATE HOT WATER Hot water temp. These two symbols indicate whether the compressor or addition is blocked in F1255. These can, for example, be blocked depend- ing on which operating mode is selected Information about operation in menu 4.2, if blocking is scheduled in...

  • Page 40: Setting A Value

    To select another option: 1. Mark the applicable option. One of the options is pre-selected (white). 2. Press the OK button to confirm the selected op- tion. The selected option has a green tick. Chapter 7 | Control - Introduction NIBE™ F1255...

  • Page 41: Use The Virtual Keyboard

    (at the page number) has been marked. 2. Press the OK button to skip between the steps in the start guide. If the start guide is left on this page it closes automatically in 60 min NIBE™ F1255 Chapter 7 | Control - Introduction...

  • Page 42: Control - Menus

    Menu 3 - INFO 3 - INFO 3.1 - service info 3.2 - compressor info 3.3 - add. heat info 3.4 - alarm log 3.5 - indoor temp. log * Accessories are needed. Chapter 8 | Control - Menus NIBE™ F1255...

  • Page 43: Menu 4 - Heat Pump

    Menu 4 - HEAT PUMP 4 - HEAT PUMP 4.1 - plus functions 4.1.1 - pool * 4.1.3 - internet 4.1.3.1 - NIBE Uplink 4.1.3.8 - tcp/ip settings 4.1.3.9 - proxy settings 4.1.4 - sms * 4.1.5 - SG Ready 4.1.6 - smart price adaption™...

  • Page 44: Menu 5 - Service

    Operational settings for different Operating settings can be made for the heat pump in accessories. the sub menus. soft in/outputs Setting software controlled in and out- puts on the input circuit board (AA3). Chapter 8 | Control - Menus NIBE™ F1255...
  • Page 45 Climate systems 2 - 8 cannot be set to a higher max supply temperature than climate Setting range: 0 – 100 % system 1. Set the speed for the five different selectable speeds for the fan here. NIBE™ F1255 Chapter 8 | Control - Menus...
  • Page 46 Set the operating mode of the heating medium pump tem. here. auto: The heating medium pump runs according to the current operating mode for F1255. intermittent: The heating medium pump starts approx. 20 seconds before and stops at the same time as the compressor.
  • Page 47 Here you set the max. electrical output of the internal lated automatically (factory setting) for optimal opera- electrical addition in F1255 and the fuse size for the in- tion. stallation.
  • Page 48 Menu 5.1.22 - heat pump testing and activated are made in the sub-menus for this. NOTE Menu 5.3.1 - FLM This menu is intended for testing F1255 accord- ing to different standards. continuous pump op. Use of this menu for other reasons may result Setting range: on/off in your installation not functioning as intended.
  • Page 49 The shunt valve is regulated as long as heat is available, otherwise the shunt valve is closed. See the accessory installation instructions for function description. NIBE™ F1255 Chapter 8 | Control - Menus...
  • Page 50 (BT53) and the temperature of Default value: 20 °C the brine in the heat pump (BT10) is less than this setting the function deactivates. See the accessory installation instructions for function description. Chapter 8 | Control - Menus NIBE™ F1255...
  • Page 51 Make settings for the hot water comfort here. See the accessory installation instructions for function description. activating the mixing valve: Activate here whether a mixer valve for limiting the temperature of hot water from the water heater is installed. NIBE™ F1255 Chapter 8 | Control - Menus...
  • Page 52 NOTE During under floor drying, the heating medium pump in 100% runs, regardless of the setting in menu 5.1.10. Chapter 8 | Control - Menus NIBE™ F1255...

  • Page 53: Service

    Emergency mode NOTE The switch (SF1) must not be moved to " " or " " until F1255 has been filled with water. 16 kW Component parts in the product can be dam- aged. Emergency mode is used in event of operational interfer- ence and in conjunction with service.
  • Page 54 6. Screw in the venting screw (QM5). Draining the entire climate system 7. Start F1255 by setting the switch (SF1) to " " and check whether the circulation pump works. If the entire climate system requires draining, do this as...
  • Page 55 Remove the two screws. 1.739 0.891 1.469 0.785 1.246 0.691 1.061 0.607 0.908 0.533 0.779 0.469 0.672 0.414 Pulling out the cooling module The cooling module can be pulled out for service and transport. NIBE™ F1255 Chapter 9 | Service...
  • Page 56 Carefully pull out the cooling module. The display unit is equipped with a USB socket that can be used to update the software, save logged information and manage the settings in F1255. The cooling module is installed in reverse order. Chapter 9 | Service NIBE™...
  • Page 57 "choose another file". Factory setting range: 5 s Here you can choose how current measurement values from F1255 should be saved onto a log file on the USB memory. NIBE™ F1255 Chapter 9 |...
  • Page 58 1. Set the desired interval between loggings. 2. Tick “activated". 3. The present values from F1255 are saved in a file in the USB memory at the set interval until “activated" is unticked. NOTE Untick "activated" before removing the USB memory.

  • Page 59: Disturbances In Comfort

    5.1.4. "heating curve" needs adjusting up. Too low or no operating prioritisation of heat. ■ Enter menu 4.9.1 and increase the time for when – heating is to be prioritised. NIBE™ F1255 Chapter 10 | Disturbances in comfort...
  • Page 60 Low or a lack of ventilation This part of the fault-tracing chapter only applies if the This part of the fault-tracing chapter only applies if the NIBE FLM accessory is installed. NIBE FLM accessory is installed. Not enough water in the water seal.

  • Page 61: Accessories

    ELK 5 Immersion heater Base extension EF 45 5 kW, 1 x 230 V This accessory can be used when pipes for the F1255 come Part no. 069 025 up out of the floor. Part no 067 152 ELK 8...
  • Page 62 Free cooling PCS 44 This accessory is used when F1255 is installed in an install- ation with passive cooling. Part no 067 296 Level monitor NV 10 Part no. 089 315 Passive cooling PCM 40 PCM 42 Part no. 067 077 Part no.

  • Page 63: Technical Data

    Dimensions and setting-out coordinates * This dimension applies at 90° angle on the brine pipes (side connection). The dimension can vary approx. ±100 mm in height as the brine pipes partially consist of flexible pipes. NIBE™ F1255 Chapter 12 | Technical data...

  • Page 64: Technical Specifications

    Max operating current including 2 – 4 kW immersion heater (Recommended fuse rating). 28(32) Max operating current including 6 kW immersion heater (Recommended fuse rating). 36(40) Max operating current including 9 kW immersion heater (Recommended fuse rating). 46(50) Additional power 1/2/3/4/5/6/7/8/9 Chapter 12 | Technical data NIBE™ F1255...
  • Page 65 Ssc equal to or greater than 2.0 MVA. NIBE™ F1255 Chapter 12 | Technical data...
  • Page 66 Refrigerant circuit Type of refrigerant R407C Volume 1.16 Cut-out value pressostat HP 3.2 (32 bar) Difference pressostat HP -0.7 (-7 bar) Cut-out value pressostat LP 0.15 (1.5 bar) Difference pressostat LP 0.15 (1.5 bar) Chapter 12 | Technical data NIBE™ F1255...
  • Page 67 Part number, 3x230V, with energy meter Part number, 3x400V Part number, 3x400V, with energy meter Reported efficiency for the system takes the product's temperature regulator into account. With feet removed the height is approx. 1930 mm for F1255. NIBE™ F1255 Chapter 12 | Technical data...
  • Page 68 This diagram shows the working range below 75 % for Angiven värmeeffekt Specified heating output, kW F1255-6 and the entire working range for F1255-12, - Arbetsområde under 75% för F1155-1255 6kW och för hela arbetsområdet 16 kW. 100% Arbetsområde under 75% för F1155-1255 6kW och för hela arbetsområdet 16 kW.
  • Page 69 Framledningstemp. Värmebärare 35 °C för F1155-1255 -6 kW. Angiven värmeeffekt Specified cooling output, kW °C 100% Köldbärare in Brine in °C F1255-12 230V Framledningstemp. Värmebärare 50 °C för F1155-1255 -12 kW. Angiven värmeeffekt Specified cooling output, kW 100% °C Köldbärare in Brine in °C...

  • Page 70: Energy Labelling

    Energy labelling Information sheet Supplier NIBE AB Model F1255-6 1x230V F1255-12 1x230V Temperature application °C 35 / 55 35 / 55 Declared load profile for water heating Seasonal space heating energy efficiency class, average A++ / A++ A++ / A++...
  • Page 71 Supplier NIBE AB Model F1255-6 3x230V F1255-12 3x230V Temperature application °C 35 / 55 35 / 55 Declared load profile for water heating Seasonal space heating energy efficiency class, average A++ / A++ A++ / A++ climate Water heating energy efficiency class, average climate...
  • Page 72 Supplier NIBE AB Model F1255-6 3x400V F1255-12 3x400V F1255-16 3x400V Temperature application °C 35 / 55 35 / 55 35 / 55 Declared load profile for water heating Seasonal space heating energy efficiency class, average A++ / A++ A++ / A++...
  • Page 73 Data for energy efficiency of the package Model F1255-6 1x230V F1255-12 1x230V Temperature application °C 35 / 55 35 / 55 Controller, class Controller, contribution to efficiency Seasonal space heating energy efficiency of the pack- 204 / 154 205 / 161...
  • Page 74 Technical documentation Model F1255-6 1x230V Type of heat pump Air-water Exhaust-water Brine-water Water-water Low-temperature heat pump Integrated immersion heater for additional heat Heat pump combination heater Climate Average Cold Warm Temperature application Average (55 °C) Low (35 °C) Applied standards EN-14825 &...
  • Page 75 Model F1255-12 1x230V Type of heat pump Air-water Exhaust-water Brine-water Water-water Low-temperature heat pump Integrated immersion heater for additional heat Heat pump combination heater Climate Average Cold Warm Temperature application Average (55 °C) Low (35 °C) Applied standards EN-14825 & EN-16147...
  • Page 76 Model F1255-6 3x230V Type of heat pump Air-water Exhaust-water Brine-water Water-water Low-temperature heat pump Integrated immersion heater for additional heat Heat pump combination heater Climate Average Cold Warm Temperature application Average (55 °C) Low (35 °C) Applied standards EN-14825 & EN-16147...
  • Page 77 Model F1255-12 3x230V Type of heat pump Air-water Exhaust-water Brine-water Water-water Low-temperature heat pump Integrated immersion heater for additional heat Heat pump combination heater Climate Average Cold Warm Temperature application Average (55 °C) Low (35 °C) Applied standards EN-14825 & EN-16147...
  • Page 78 Model F1255-6 3x400V Type of heat pump Air-water Exhaust-water Brine-water Water-water Low-temperature heat pump Integrated immersion heater for additional heat Heat pump combination heater Climate Average Cold Warm Temperature application Average (55 °C) Low (35 °C) Applied standards EN-14825 & EN-16147...
  • Page 79 Model F1255-12 3x400V Type of heat pump Air-water Exhaust-water Brine-water Water-water Low-temperature heat pump Integrated immersion heater for additional heat Heat pump combination heater Climate Average Cold Warm Temperature application Average (55 °C) Low (35 °C) Applied standards EN-14825 & EN-16147...
  • Page 80 Model F1255-16 3x400V Type of heat pump Air-water Exhaust-water Brine-water Water-water Low-temperature heat pump Integrated immersion heater for additional heat Heat pump combination heater Climate Average Cold Warm Temperature application Average (55 °C) Low (35 °C) Applied standards EN-14825 & EN-16147...

  • Page 81: Index

    Contact for activation of “external adjustment", 29 Load monitor, 27 Contact for activation of “temporary lux", 29 Miniature circuit-breaker, 20 Contact for external tariff blocking, 28 NIBE Uplink™, 27 Contact information, 6 Optional connections, 27 Control, 38, 42 Outdoor sensor, 23...
  • Page 82 Use the virtual keyboard, 41 USB service outlet, 56 Miniature circuit-breaker, 20 Setting a value, 40 Settings, 24 Standby mode, 53 NIBE Uplink™, 27 Power in emergency mode, 26 NV 10, pressure/level/flow monitor brine, 29 Start guide, 33 Status lamp, 38 OK button, 38...
  • Page 83 Component location electrical cabinets, 12 Component locations, 10 List of components, 10 Transport, 7 Troubleshooting, 59 USB service outlet, 56 Use the virtual keyboard, 41 Working range heat pump, 68 NIBE™ F1255 Chapter 13 | Item register...
  • Page 88 WS name: Niklas WS version: a7 (working edition) Publish date: 2016-06-09 12:00 NIBE AB Sweden Hannabadsvägen 5 Box 14 SE-285 21 Markaryd info@nibe.se www.nibe.eu 331296...

This manual is also suitable for:

F1255 seriesF1255-6F1255-16F1255-12

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